GATE (Graduate Aptitude Test in Engineering) Physics (PE): Questions 194 - 198 of 1823

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Question 194

Appeared in Year: 2014

Question MCQ▾

A Carnot cycle operates as a heat engine between two bodies of equal heat capacity until their temperature become equal. If the initial temperature of the bodies are and , respectively , and , then their common final temperature is – (Dec – 2013)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 195

Appeared in Year: 2013

Question MCQ▾

In the Born approximation, the scattering amplitude for the Yukawa potential,

Is given by, (in the following ) (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 196

Appeared in Year: 2014

Question MCQ▾

A canonical transformation relates the old coordinates to the new ones by the relations and . The corresponding time – independent generating function is – (June – 2014)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 197

Appeared in Year: 2013

Question MCQ▾

A particle of mass m is at the stable equilibrium position of its potential energy, ; where are positive constants. The minimum velocity that has to be imparted to the particle to render its motion unstable is – (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 198

Appeared in Year: 2013

Question MCQ▾

A spin particle A undergoes the decay,

where it is know that B and C are also spin particles. The complete set of allowed values of the spin of the particle D is – (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit